21033360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:373

約数の個数: 120

約数和(自身を含む): 71495424

約数和(自身を除く): 50462064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 223, 240, 262, 360, 393, 446, 524, 655, 669, 720, 786, 892, 1048, 1115, 1179, 1310, 1338, 1572, 1784, 1965, 2007, 2096, 2230, 2358, 2620, 2676, 3144, 3345, 3568, 3930, 4014, 4460, 4716, 5240, 5352, 5895, 6288, 6690, 7860, 8028, 8920, 9432, 10035, 10480, 10704, 11790, 13380, 15720, 16056, 17840, 18864, 20070, 23580, 26760, 29213, 31440, 32112, 40140, 47160, 53520, 58426, 80280, 87639, 94320, 116852, 146065, 160560, 175278, 233704, 262917, 292130, 350556, 438195, 467408, 525834, 584260, 701112, 876390, 1051668, 1168520, 1314585, 1402224, 1752780, 2103336, 2337040, 2629170, 3505560, 4206672, 5258340, 7011120, 10516680, 21033360]

約数ペア:

[(1, 21033360), (2, 10516680), (3, 7011120), (4, 5258340), (5, 4206672), (6, 3505560), (8, 2629170), (9, 2337040), (10, 2103336), (12, 1752780), (15, 1402224), (16, 1314585), (18, 1168520), (20, 1051668), (24, 876390), (30, 701112), (36, 584260), (40, 525834), (45, 467408), (48, 438195), (60, 350556), (72, 292130), (80, 262917), (90, 233704), (120, 175278), (131, 160560), (144, 146065), (180, 116852), (223, 94320), (240, 87639), (262, 80280), (360, 58426), (393, 53520), (446, 47160), (524, 40140), (655, 32112), (669, 31440), (720, 29213), (786, 26760), (892, 23580), (1048, 20070), (1115, 18864), (1179, 17840), (1310, 16056), (1338, 15720), (1572, 13380), (1784, 11790), (1965, 10704), (2007, 10480), (2096, 10035), (2230, 9432), (2358, 8920), (2620, 8028), (2676, 7860), (3144, 6690), (3345, 6288), (3568, 5895), (3930, 5352), (4014, 5240), (4460, 4716)]